23.2÷241.5÷1.4 4.08÷0.870.87×4.08
2.9494…≈
≈
0.999…≈
12.5757…≈
9.0505…≈
68+32= 10-0.6= 1.25×80= 0.8÷0.04=
2.4÷ = × = 5×8%= ÷ =